97752761 has 2 divisors, whose sum is σ = 97752762. Its totient is φ = 97752760.

The previous prime is 97752751. The next prime is 97752773. The reversal of 97752761 is 16725779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68376361 + 29376400 = 8269^2 + 5420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97752761 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97752751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48876380 + 48876381.

It is an arithmetic number, because the mean of its divisors is an integer number (48876381).

Almost surely, 2^97752761 is an apocalyptic number.

It is an amenable number.

97752761 is a deficient number, since it is larger than the sum of its proper divisors (1).

97752761 is an equidigital number, since it uses as much as digits as its factorization.

97752761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 44.

The square root of 97752761 is about 9886.9995954283. Note that the first 3 decimals coincide. The cubic root of 97752761 is about 460.6555885307.

The spelling of 97752761 in words is "ninety-seven million, seven hundred fifty-two thousand, seven hundred sixty-one".